Kelsien, the Plague (Commander) - Expensive Core

Alternate Names:

Altaïr, Brotherhood MentorAltaïr, Brotherhood Mentor

Kelsien, the Plague
Rank #404
77decks
As CommanderAs CardAverage DeckDecksView Precon
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Background image for Rebuilding Kelsien, the Plague with Avatar: The Last Airbender Eternal
Ezra Sassaman
Nov 20, 2025
Ezra Sassaman
Rebuilding Kelsien, the Plague with Avatar: The Last Airbender Eternal
Avatar: The Last Airbender is bringing back experience counters, and that means that we can revamp Kelsien, the Plague.
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Aang, Airbending Master
12%inclusion3 decks26 decks
10%synergy
Redirect Lightning
7.7%inclusion2 decks26 decks
2%synergy
Avatar's Wrath
5.6%inclusion1 decks18 decks
0%synergy
Zuko, Firebending Master
5.6%inclusion1 decks18 decks
3%synergy
The Last Agni Kai
5.3%inclusion1 decks19 decks
-1%synergy
High Synergy Cards
Basilisk Collar
97%inclusion75 decks77 decks
93%synergy
Drumbellower
78%inclusion60 decks77 decks
76%synergy
Mari, the Killing Quill
82%inclusion63 decks77 decks
75%synergy
Rune of Mortality
75%inclusion58 decks77 decks
74%synergy
Otharri, Suns' Glory
79%inclusion61 decks77 decks
73%synergy
Vorpal Sword
74%inclusion57 decks77 decks
72%synergy
Gorgon's Head
69%inclusion53 decks77 decks
68%synergy
Minthara, Merciless Soul
68%inclusion52 decks77 decks
66%synergy
Thornbite Staff
66%inclusion51 decks77 decks
65%synergy
Sting, the Glinting Dagger
65%inclusion50 decks77 decks
63%synergy
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Morbid Opportunist
70%inclusion54 decks77 decks
53%synergy
Shadowspear
64%inclusion49 decks77 decks
59%synergy
Falthis, Shadowcat Familiar
58%inclusion45 decks77 decks
57%synergy
Shay Cormac
57%inclusion39 decks68 decks
54%synergy
White Plume Adventurer
53%inclusion41 decks77 decks
52%synergy
Maha, Its Feathers Night
47%inclusion32 decks68 decks
46%synergy
Ruinous Ultimatum
47%inclusion36 decks77 decks
8%synergy
Swords to Plowshares
47%inclusion36 decks77 decks
-16%synergy
Magewright's Stone
47%inclusion36 decks77 decks
46%synergy
Boros Charm
45%inclusion35 decks77 decks
16%synergy
Game Changers
Teferi's Protection
18%inclusion14 decks77 decks
-2%synergy
Orcish Bowmasters
14%inclusion11 decks77 decks
9%synergy
Creatures
Humble Defector
44%inclusion34 decks77 decks
42%synergy
General's Enforcer
44%inclusion34 decks77 decks
36%synergy
Goblin Sharpshooter
44%inclusion34 decks77 decks
43%synergy
Mother of Runes
44%inclusion34 decks77 decks
37%synergy
Daxos the Returned
43%inclusion33 decks77 decks
42%synergy
Magda, the Hoardmaster
39%inclusion28 decks71 decks
37%synergy
Termination Facilitator
38%inclusion29 decks77 decks
36%synergy
Taii Wakeen, Perfect Shot
37%inclusion26 decks71 decks
36%synergy
Kalemne, Disciple of Iroas
35%inclusion27 decks77 decks
34%synergy
Esper Sentinel
32%inclusion25 decks77 decks
14%synergy
Puresteel Paladin
31%inclusion24 decks77 decks
27%synergy
Ertha Jo, Frontier Mentor
28%inclusion20 decks71 decks
27%synergy
Stoneforge Mystic
27%inclusion21 decks77 decks
24%synergy
Lae'zel, Vlaakith's Champion
27%inclusion21 decks77 decks
25%synergy
Mathas, Fiend Seeker
27%inclusion21 decks77 decks
25%synergy
Massacre Girl, Known Killer
25%inclusion19 decks77 decks
22%synergy
Slaughter Specialist
23%inclusion18 decks77 decks
22%synergy
Athreos, Shroud-Veiled
23%inclusion18 decks77 decks
22%synergy
Archetype of Finality
22%inclusion17 decks77 decks
21%synergy
Giver of Runes
22%inclusion17 decks77 decks
19%synergy
Harvester of Souls
22%inclusion17 decks77 decks
19%synergy
Void Beckoner
22%inclusion17 decks77 decks
21%synergy
Akiri, Fearless Voyager
21%inclusion16 decks77 decks
18%synergy
Marvin, Murderous Mimic
21%inclusion13 decks63 decks
19%synergy
Sun Titan
18%inclusion14 decks77 decks
8%synergy
Blood Cultist
18%inclusion14 decks77 decks
18%synergy
Zagras, Thief of Heartbeats
16%inclusion12 decks77 decks
14%synergy
Cunning Sparkmage
16%inclusion12 decks77 decks
15%synergy
Sram, Senior Edificer
14%inclusion11 decks77 decks
11%synergy
Ankle Shanker
14%inclusion11 decks77 decks
11%synergy
Assault Intercessor
14%inclusion11 decks77 decks
14%synergy
Kratos, Stoic Father
14%inclusion3 decks21 decks
14%synergy
Bureau Headmaster
12%inclusion8 decks68 decks
11%synergy
Gisa, Glorious Resurrector
12%inclusion9 decks77 decks
11%synergy
Clackbridge Troll
12%inclusion9 decks77 decks
11%synergy
Witch Enchanter
11%inclusion8 decks70 decks
5%synergy
Norn's Choirmaster
10%inclusion8 decks77 decks
10%synergy
Deathbringer Thoctar
10%inclusion8 decks77 decks
10%synergy
Royal Assassin
10%inclusion8 decks77 decks
7%synergy
Cloud, Midgar Mercenary
10%inclusion3 decks29 decks
9%synergy
Metastatic Evangel
10%inclusion7 decks70 decks
10%synergy
Codsworth, Handy Helper
10%inclusion7 decks73 decks
9%synergy
Tor Wauki the Younger
9.1%inclusion7 decks77 decks
9%synergy
Grateful Apparition
9.1%inclusion7 decks77 decks
9%synergy
Vulshok Sorcerer
9.1%inclusion7 decks77 decks
9%synergy
Queen Marchesa
9.1%inclusion7 decks77 decks
3%synergy
Rev, Tithe Extractor
8.9%inclusion5 decks56 decks
6%synergy
Qarsi Revenant
8.8%inclusion3 decks34 decks
6%synergy
Weathered Wayfarer
7.8%inclusion6 decks77 decks
6%synergy
Torbran, Thane of Red Fell
7.8%inclusion6 decks77 decks
7%synergy
Instants
You Are Already Dead
44%inclusion34 decks77 decks
42%synergy
Anguished Unmaking
44%inclusion34 decks77 decks
10%synergy
Path to Exile
30%inclusion23 decks77 decks
-17%synergy
Mirrodin Avenged
29%inclusion22 decks77 decks
28%synergy
Fracture
29%inclusion22 decks77 decks
22%synergy
Flawless Maneuver
27%inclusion21 decks77 decks
13%synergy
Stroke of Midnight
27%inclusion21 decks77 decks
15%synergy
Crackling Doom
26%inclusion20 decks77 decks
9%synergy
Despark
25%inclusion19 decks77 decks
10%synergy
Malakir Rebirth
22%inclusion17 decks77 decks
17%synergy
Generous Gift
21%inclusion16 decks77 decks
1%synergy
Deflecting Swat
18%inclusion14 decks77 decks
3%synergy
Wear // Tear
17%inclusion13 decks77 decks
5%synergy
Dawn's Truce
16%inclusion11 decks68 decks
9%synergy
Offer Immortality
16%inclusion12 decks77 decks
15%synergy
Chaos Warp
14%inclusion11 decks77 decks
-2%synergy
Bladebrand
14%inclusion11 decks77 decks
14%synergy
Fell the Profane
13%inclusion9 decks70 decks
6%synergy
Sejiri Shelter
12%inclusion9 decks77 decks
9%synergy
Rakdos Charm
9.1%inclusion7 decks77 decks
0%synergy
Mortify
9.1%inclusion7 decks77 decks
-6%synergy
Legion Leadership
8.6%inclusion6 decks70 decks
4%synergy
Terminate
7.8%inclusion6 decks77 decks
-5%synergy
Tibalt's Trickery
7.8%inclusion6 decks77 decks
4%synergy
Virulent Swipe
7.8%inclusion6 decks77 decks
8%synergy
Bedevil
7.8%inclusion6 decks77 decks
1%synergy
Deflecting Palm
7.8%inclusion6 decks77 decks
1%synergy
Inevitable Defeat
7.7%inclusion3 decks39 decks
2%synergy
Restoration Magic
7.1%inclusion2 decks28 decks
5%synergy
Clever Concealment
6.5%inclusion5 decks77 decks
3%synergy
Volt Charge
6.5%inclusion5 decks77 decks
6%synergy
Deadly Rollick
6.5%inclusion5 decks77 decks
-4%synergy
Bolt Bend
6.5%inclusion5 decks77 decks
5%synergy
Akroma's Will
6.5%inclusion5 decks77 decks
-7%synergy
Valakut Awakening
6.5%inclusion5 decks77 decks
3%synergy
Final Showdown
5.6%inclusion4 decks71 decks
4%synergy
Dire Tactics
5.2%inclusion4 decks77 decks
2%synergy
Battle-Rage Blessing
5.2%inclusion4 decks77 decks
5%synergy
Touch of Moonglove
5.2%inclusion4 decks77 decks
5%synergy
Fire Covenant
5.2%inclusion4 decks77 decks
4%synergy
Utter End
5.2%inclusion4 decks77 decks
0%synergy
Galadriel's Dismissal
5.2%inclusion4 decks77 decks
3%synergy
Sorceries
Open the Armory
39%inclusion30 decks77 decks
35%synergy
Mythos of Snapdax
32%inclusion25 decks77 decks
27%synergy
Call of the Death-Dweller
27%inclusion21 decks77 decks
27%synergy
Painful Truths
26%inclusion20 decks77 decks
17%synergy
Night's Whisper
26%inclusion20 decks77 decks
13%synergy
Steelshaper's Gift
26%inclusion20 decks77 decks
23%synergy
Vandalblast
25%inclusion19 decks77 decks
14%synergy
Read the Bones
22%inclusion17 decks77 decks
12%synergy
Blasphemous Act
22%inclusion17 decks77 decks
-1%synergy
Vindicate
18%inclusion14 decks77 decks
12%synergy
Sevinne's Reclamation
17%inclusion13 decks77 decks
9%synergy
Sign in Blood
17%inclusion13 decks77 decks
9%synergy
Toxic Deluge
16%inclusion12 decks77 decks
7%synergy
Farewell
14%inclusion11 decks77 decks
3%synergy
Faithless Looting
13%inclusion10 decks77 decks
-2%synergy
Damn
13%inclusion10 decks77 decks
-5%synergy
Chandra's Ignition
13%inclusion10 decks77 decks
11%synergy
Single Combat
12%inclusion9 decks77 decks
10%synergy
Reanimate
12%inclusion9 decks77 decks
-5%synergy
Drown in Ichor
12%inclusion9 decks77 decks
11%synergy
Unearth
10%inclusion8 decks77 decks
8%synergy
Unfinished Business
9.1%inclusion7 decks77 decks
8%synergy
Rip Apart
9.1%inclusion7 decks77 decks
8%synergy
Divine Reckoning
6.5%inclusion5 decks77 decks
6%synergy
Tempt with Bunnies
5.9%inclusion4 decks68 decks
5%synergy
Seize the Day
5.2%inclusion4 decks77 decks
4%synergy
Feed the Swarm
5.2%inclusion4 decks77 decks
0%synergy
Utility Artifacts
Gorgon Flail
45%inclusion35 decks77 decks
45%synergy
Swiftfoot Boots
45%inclusion35 decks77 decks
14%synergy
Illusionist's Bracers
39%inclusion30 decks77 decks
37%synergy
Mithril Coat
34%inclusion26 decks77 decks
28%synergy
Thousand-Year Elixir
34%inclusion26 decks77 decks
33%synergy
Quietus Spike
32%inclusion25 decks77 decks
31%synergy
Hunter's Blowgun
21%inclusion16 decks77 decks
20%synergy
Glaring Spotlight
21%inclusion16 decks77 decks
20%synergy
Battlemage's Bracers
18%inclusion14 decks77 decks
17%synergy
Sword of Truth and Justice
18%inclusion14 decks77 decks
18%synergy
Lightning Greaves
18%inclusion14 decks77 decks
-16%synergy
Brotherhood Regalia
15%inclusion10 decks68 decks
11%synergy
Robe of Stars
13%inclusion10 decks77 decks
12%synergy
Halo Fountain
12%inclusion9 decks77 decks
11%synergy
The Masamune
11%inclusion3 decks28 decks
10%synergy
Whispersilk Cloak
10%inclusion8 decks77 decks
5%synergy
Hammer of Nazahn
10%inclusion8 decks77 decks
8%synergy
Wayfarer's Bauble
10%inclusion8 decks77 decks
2%synergy
Hidden Blade
10%inclusion7 decks73 decks
9%synergy
Haystack
10%inclusion7 decks73 decks
8%synergy
Nazgûl Battle-Mace
9.1%inclusion7 decks77 decks
8%synergy
Sword of the Animist
9.1%inclusion7 decks77 decks
0%synergy
Helm of the Host
7.8%inclusion6 decks77 decks
2%synergy
Scythe of the Wretched
7.8%inclusion6 decks77 decks
8%synergy
Sword of Hearth and Home
7.8%inclusion6 decks77 decks
5%synergy
The Seriema
7.4%inclusion2 decks27 decks
6%synergy
Conqueror's Flail
6.5%inclusion5 decks77 decks
5%synergy
Umbral Mantle
6.5%inclusion5 decks77 decks
6%synergy
Tome of Legends
6.5%inclusion5 decks77 decks
6%synergy
Sword of Feast and Famine
6.5%inclusion5 decks77 decks
3%synergy
Embercleave
5.2%inclusion4 decks77 decks
2%synergy
Sword of Forge and Frontier
5.2%inclusion4 decks77 decks
4%synergy
Champion's Helm
5.2%inclusion4 decks77 decks
4%synergy
Contagion Engine
5.2%inclusion4 decks77 decks
5%synergy
Mask of Griselbrand
5.2%inclusion4 decks77 decks
4%synergy
Loxodon Warhammer
5.2%inclusion4 decks77 decks
3%synergy
Enchantments
Gift of Doom
44%inclusion34 decks77 decks
43%synergy
Fighter Class
39%inclusion30 decks77 decks
36%synergy
All-Out Assault
35%inclusion12 decks34 decks
23%synergy
Black Market Connections
32%inclusion25 decks77 decks
17%synergy
Phyrexian Arena
32%inclusion25 decks77 decks
13%synergy
Dazzling Theater // Prop Room
29%inclusion18 decks62 decks
27%synergy
Reconnaissance
29%inclusion22 decks77 decks
18%synergy
Revel in Riches
29%inclusion22 decks77 decks
22%synergy
Sigarda's Aid
25%inclusion19 decks77 decks
22%synergy
At Knifepoint
23%inclusion16 decks71 decks
21%synergy
Aspect of Gorgon
21%inclusion16 decks77 decks
20%synergy
Agent of the Shadow Thieves
19%inclusion15 decks77 decks
19%synergy
Forge Anew
17%inclusion13 decks77 decks
14%synergy
Black Market
17%inclusion13 decks77 decks
11%synergy
Death Pits of Rath
14%inclusion11 decks77 decks
14%synergy
Land Tax
12%inclusion9 decks77 decks
5%synergy
Gift of Immortality
10%inclusion8 decks77 decks
9%synergy
Grave Betrayal
10%inclusion8 decks77 decks
10%synergy
Spiteful Banditry
10%inclusion8 decks77 decks
8%synergy
Retreat to Hagra
7.8%inclusion6 decks77 decks
7%synergy
Glasswing Grace
7.1%inclusion5 decks70 decks
6%synergy
Eye of Nidhogg
6.9%inclusion2 decks29 decks
6%synergy
Trouble in Pairs
6.7%inclusion5 decks75 decks
1%synergy
Life Insurance
6.5%inclusion5 decks77 decks
4%synergy
Ghoulish Impetus
6.5%inclusion5 decks77 decks
6%synergy
Eternal Thirst
6.5%inclusion5 decks77 decks
6%synergy
The Legend of Roku
5.3%inclusion1 decks19 decks
0%synergy
Duelist's Heritage
5.2%inclusion4 decks77 decks
1%synergy
Ghostly Prison
5.2%inclusion4 decks77 decks
-2%synergy
Planeswalkers
Vraska, Betrayal's Sting
16%inclusion12 decks77 decks
15%synergy
Kaya, Geist Hunter
12%inclusion9 decks77 decks
8%synergy
Dihada, Binder of Wills
5.2%inclusion4 decks77 decks
1%synergy
Utility Lands
Vault of the Archangel
57%inclusion44 decks77 decks
35%synergy
Arcane Lighthouse
47%inclusion36 decks77 decks
46%synergy
Rogue's Passage
45%inclusion35 decks77 decks
22%synergy
Bojuka Bog
36%inclusion28 decks77 decks
5%synergy
Detection Tower
32%inclusion25 decks77 decks
32%synergy
Urborg, Tomb of Yawgmoth
31%inclusion24 decks77 decks
17%synergy
Shizo, Death's Storehouse
29%inclusion22 decks77 decks
21%synergy
Karn's Bastion
26%inclusion20 decks77 decks
25%synergy
Eiganjo, Seat of the Empire
19%inclusion15 decks77 decks
13%synergy
Urza's Saga
14%inclusion11 decks77 decks
10%synergy
Reliquary Tower
14%inclusion11 decks77 decks
-1%synergy
Maze of Ith
12%inclusion9 decks77 decks
8%synergy
Axgard Armory
10%inclusion8 decks77 decks
8%synergy
Sunhome, Fortress of the Legion
10%inclusion8 decks77 decks
7%synergy
Command Beacon
9.1%inclusion7 decks77 decks
3%synergy
Takenuma, Abandoned Mire
7.8%inclusion6 decks77 decks
0%synergy
Cabal Coffers
5.2%inclusion4 decks77 decks
2%synergy
Mana Artifacts
Arcane Signet
86%inclusion66 decks77 decks
0%synergy
Sol Ring
84%inclusion65 decks77 decks
-4%synergy
Patriar's Seal
69%inclusion53 decks77 decks
67%synergy
Talisman of Hierarchy
44%inclusion34 decks77 decks
3%synergy
Rakdos Signet
40%inclusion31 decks77 decks
9%synergy
Talisman of Conviction
39%inclusion30 decks77 decks
-2%synergy
Talisman of Indulgence
39%inclusion30 decks77 decks
2%synergy
Orzhov Signet
39%inclusion30 decks77 decks
6%synergy
Boros Signet
35%inclusion27 decks77 decks
6%synergy
Fellwar Stone
23%inclusion18 decks77 decks
-5%synergy
Bounty Board
20%inclusion14 decks71 decks
18%synergy
Bandit's Haul
17%inclusion12 decks71 decks
16%synergy
Chromatic Lantern
17%inclusion13 decks77 decks
5%synergy
The Soul Stone
15%inclusion4 decks26 decks
13%synergy
Staff of Compleation
10%inclusion8 decks77 decks
10%synergy
Aetheric Amplifier
8.7%inclusion4 decks46 decks
8%synergy
Commander's Sphere
7.8%inclusion6 decks77 decks
-7%synergy
Savai Crystal
6.5%inclusion5 decks77 decks
5%synergy
Mind Stone
6.5%inclusion5 decks77 decks
-2%synergy
Lands
Command Tower
97%inclusion75 decks77 decks
5%synergy
Plains
97%inclusion75 decks77 decks
2%synergy
Swamp
95%inclusion73 decks77 decks
0%synergy
Mountain
95%inclusion73 decks77 decks
1%synergy
Blood Crypt
90%inclusion69 decks77 decks
46%synergy
Godless Shrine
90%inclusion69 decks77 decks
43%synergy
Vault of Champions
86%inclusion66 decks77 decks
52%synergy
Sacred Foundry
84%inclusion65 decks77 decks
40%synergy
Spectator Seating
84%inclusion65 decks77 decks
52%synergy
Savai Triome
82%inclusion63 decks77 decks
43%synergy
Luxury Suite
78%inclusion60 decks77 decks
46%synergy
Marsh Flats
71%inclusion55 decks77 decks
40%synergy
Arid Mesa
65%inclusion50 decks77 decks
33%synergy
Exotic Orchard
61%inclusion47 decks77 decks
9%synergy
Bloodstained Mire
61%inclusion47 decks77 decks
29%synergy
Forbidden Orchard
57%inclusion44 decks77 decks
54%synergy
Sundown Pass
53%inclusion41 decks77 decks
33%synergy
Shattered Sanctum
45%inclusion35 decks77 decks
22%synergy
Haunted Ridge
44%inclusion34 decks77 decks
24%synergy
Nomad Outpost
44%inclusion34 decks77 decks
-14%synergy
Battlefield Forge
43%inclusion33 decks77 decks
3%synergy
Caves of Koilos
42%inclusion32 decks77 decks
2%synergy
Isolated Chapel
39%inclusion30 decks77 decks
-13%synergy
Dragonskull Summit
36%inclusion28 decks77 decks
-15%synergy
Clifftop Retreat
36%inclusion28 decks77 decks
-13%synergy
Badlands
34%inclusion26 decks77 decks
22%synergy
Scrubland
32%inclusion25 decks77 decks
20%synergy
Plateau
31%inclusion24 decks77 decks
19%synergy
Sulfurous Springs
27%inclusion21 decks77 decks
0%synergy
Brightclimb Pathway
25%inclusion19 decks77 decks
15%synergy
Malakir Rebirth
22%inclusion17 decks77 decks
17%synergy
Needleverge Pathway
22%inclusion17 decks77 decks
14%synergy
Blightstep Pathway
19%inclusion15 decks77 decks
11%synergy
Shadowy Backstreet
17%inclusion13 decks76 decks
7%synergy
Raucous Theater
16%inclusion12 decks76 decks
6%synergy
Reflecting Pool
16%inclusion12 decks77 decks
8%synergy
Rugged Prairie
16%inclusion12 decks77 decks
-1%synergy
Smoldering Marsh
16%inclusion12 decks77 decks
-20%synergy
Fetid Heath
14%inclusion11 decks77 decks
-6%synergy
Blazemire Verge
14%inclusion9 decks63 decks
2%synergy
Plaza of Heroes
14%inclusion11 decks77 decks
10%synergy
Prismatic Vista
14%inclusion11 decks77 decks
10%synergy
Shattered Landscape
14%inclusion10 decks70 decks
-5%synergy
Elegant Parlor
13%inclusion10 decks76 decks
4%synergy
Path of Ancestry
13%inclusion10 decks77 decks
-24%synergy
City of Brass
13%inclusion10 decks77 decks
3%synergy
Fell the Profane
13%inclusion9 decks70 decks
6%synergy
Fabled Passage
12%inclusion9 decks77 decks
4%synergy
Sejiri Shelter
12%inclusion9 decks77 decks
9%synergy
Mana Confluence
12%inclusion9 decks77 decks
2%synergy
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